L Questions: Triplet

public static boolean check(int a, int b, int c) {
  return (a+b>c);
 }
 
 public static void triangleTriples(int[] a) {
  for (int i = 0; i<a.length; i++) {
   for (int j = i+1; j<a.length; j++) {
    for (int k = j+1; k<a.length; k++) {
     if (check(a[i],a[j],a[k])) 
      System.out.println(a[i] + " " + a[j] + " " + a[k]);
    }
   }
  }